get_category_members_tool
AI agents call get_category_members_tool to retrieve information from MCP Mediawiki without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool queries and lists members of a category, which is a read-only operation with no side effects. Even though the description is empty, the naming convention and context of sibling tools (particularly alongside get_page_tool, get_page_categories_tool, and list_categories_tool) strongly indicate this is a data retrieval function.
From the tool's definition Tool name 'get_category_members_tool' indicates retrieval of category members from a MediaWiki wiki. The sibling tools include destructive operations (delete_page_tool, edit_page_tool) and read operations (get_page_tool, list_categories_tool,…
Attacks that exploit this kind of access
get_category_members_tool. It is categorised as a Read tool in the MCP Mediawiki MCP Server, which means it retrieves data without modifying state.
Register the MCP Mediawiki MCP server in PolicyLayer and add a rule for get_category_members_tool: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches MCP Mediawiki. Nothing to install.
get_category_members_tool is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_category_members_tool rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get_category_members_tool. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get_category_members_tool is provided by the MCP Mediawiki MCP server (mcp-mediawiki-crunchtools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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